Package org.apache.hadoop.hive.ql.udf.generic

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPGreaterThan

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  @Test
  public void testStringFilterExpressions() throws HiveException {
    ExprNodeColumnDesc col1Expr = new  ExprNodeColumnDesc(String.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc("Alpha");

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc exprDesc = new ExprNodeGenericFuncDesc();
    exprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
    children1.add(constDesc);
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  @Test
  public void testFilterStringColCompareStringColumnExpressions() throws HiveException {
    ExprNodeColumnDesc col1Expr = new  ExprNodeColumnDesc(String.class, "col1", "table", false);
    ExprNodeColumnDesc col2Expr = new  ExprNodeColumnDesc(String.class, "col2", "table", false);

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc exprDesc = new ExprNodeGenericFuncDesc();
    exprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
    children1.add(col2Expr);
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  @Test
  public void testVectorizeFilterAndOrExpression() throws HiveException {
    ExprNodeColumnDesc col1Expr = new ExprNodeColumnDesc(Integer.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(new Integer(10));

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc greaterExprDesc = new ExprNodeGenericFuncDesc();
    greaterExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    greaterExprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
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  @Test
  public void testVectorizeAndOrProjectionExpression() throws HiveException {
    ExprNodeColumnDesc col1Expr = new ExprNodeColumnDesc(Integer.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(new Integer(10));

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc greaterExprDesc = new ExprNodeGenericFuncDesc();
    greaterExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    greaterExprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
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  @Test
  public void testNotExpression() throws HiveException {
    ExprNodeColumnDesc col1Expr = new ExprNodeColumnDesc(Integer.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(new Integer(10));

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc greaterExprDesc = new ExprNodeGenericFuncDesc();
    greaterExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    greaterExprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
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  @Test
  public void testNullExpressions() throws HiveException {
    ExprNodeColumnDesc col1Expr = new ExprNodeColumnDesc(Integer.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(new Integer(10));

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc greaterExprDesc = new ExprNodeGenericFuncDesc();
    greaterExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    greaterExprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
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  @Test
  public void testNotNullExpressions() throws HiveException {
    ExprNodeColumnDesc col1Expr = new ExprNodeColumnDesc(Integer.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(new Integer(10));

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc greaterExprDesc = new ExprNodeGenericFuncDesc();
    greaterExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    greaterExprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
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  @Test
  public void testFilterWithNegativeScalar() throws HiveException {
    ExprNodeColumnDesc col1Expr = new  ExprNodeColumnDesc(Integer.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc(new Integer(-10));

    GenericUDFOPGreaterThan udf = new GenericUDFOPGreaterThan();
    ExprNodeGenericFuncDesc exprDesc = new ExprNodeGenericFuncDesc();
    exprDesc.setGenericUDF(udf);
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>(2);
    children1.add(col1Expr);
    children1.add(constDesc);
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  }

  @Test
  public void testFilterScalarCompareColumn() throws HiveException {
    ExprNodeGenericFuncDesc scalarGreaterColExpr = new ExprNodeGenericFuncDesc();
    GenericUDFOPGreaterThan gudf = new GenericUDFOPGreaterThan();
    scalarGreaterColExpr.setGenericUDF(gudf);
    List<ExprNodeDesc> children = new ArrayList<ExprNodeDesc>(2);
    ExprNodeConstantDesc constDesc =
        new ExprNodeConstantDesc(TypeInfoFactory.longTypeInfo, 20);
    ExprNodeColumnDesc colDesc =
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    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPGreaterThan(), children);
    assertNotNull(node);
    String filterExpr = Utilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);

    Collection<Range> ranges = handler.getRanges(conf, columnMapper);
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  • org.apache.hadoop.hive.ql.exec.vector.TestVectorizationContext
  • org.apache.hadoop.io.Text
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